Numbers whose base-6 representation has the same nonzero number of 0's and 4's.

Terms

a(0) =24a(1) =40a(2) =60a(3) =76a(4) =96a(5) =112a(6) =132a(7) =145a(8) =146a(9) =147a(10) =149a(11) =150a(12) =156a(13) =162a(14) =174a(15) =184a(16) =204a(17) =226a(18) =232a(19) =238a(20) =241a(21) =242a(22) =243a(23) =245a(24) =250a(25) =256a(26) =276a(27) =292a(28) =312a(29) =328